//
// * Copyright (c) 2002-2009 "Neo Technology,"
// *     Network Engine for Objects in Lund AB [http://neotechnology.com]
// *
// * This file is part of Neo4j.
// * 
// * Neo4j is free software: you can redistribute it and/or modify
// * it under the terms of the GNU Affero General Public License as
// * published by the Free Software Foundation, either version 3 of the
// * License, or (at your option) any later version.
// * 
// * This program is distributed in the hope that it will be useful,
// * but WITHOUT ANY WARRANTY; without even the implied warranty of
// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// * GNU Affero General Public License for more details.
// * 
// * You should have received a copy of the GNU Affero General Public License
// * along with this program. If not, see <http://www.gnu.org/licenses/>.
// 
namespace org.neo4j.kernel.impl.batchinsert
{

	using NotFoundException = org.neo4j.graphdb.NotFoundException;
	using RelationshipTypeData = org.neo4j.kernel.impl.nioneo.store.RelationshipTypeData;
	using ArrayMap = org.neo4j.kernel.impl.util.ArrayMap;

	public class RelationshipTypeHolder
	{
		private readonly ArrayMap<string, int> relTypes = new ArrayMap<string, int>(5, false, false);
		private readonly ArrayMap<int, string> idToName = new ArrayMap<int, string>(5, false, false);

		internal RelationshipTypeHolder(RelationshipTypeData[] types)
		{
			foreach (RelationshipTypeData type in types)
			{
			   relTypes.put(type.Name, type.getId());
			   idToName.put(type.getId(), type.Name);
			}
		}

		internal virtual void addRelationshipType(string name, int id)
		{
			relTypes.put(name, id);
			idToName.put(id, name);
		}

		internal virtual int getTypeId(string name)
		{
			int id = relTypes.get(name);
			if (id != null)
			{
				return id;
			}
			return -1;
		}

		internal virtual string getName(int id)
		{
			string name = idToName.get(id);
			if (name == null)
			{
				throw new NotFoundException("No such relationship type[" + id + "]");
			}
			return name;
		}
	}

}